Richard A. Colvin, Chief Medical Officer at bluebird bio, Inc. (BLUE), sold 2,824 shares at $0.42 ($1K) on 2024-12-10, disclosed to the SEC on 2024-12-12.
Open-market sale of $1k BLUE by Chief Medical Officer. Not flagged as scheduled, tax-driven, or recurring — but no specific bearish signal from our filters. Reasons for insider sales vary widely.
Nothing distinguishes this filing.
| Filing → |
| BLUE | SELL | 2025-01-08 | $176 | — | Filing → |
| BLUE | SELL | 2024-03-05 | $10K | — | Filing → |
| BLUE | SELL | 2024-01-09 | $848 | — | Filing → |